Software Engineer - McKinsey Digital
McKinsey & Company
Software Engineering
Tokyo, Japan
Posted on Jan 31, 2026
Software Engineer - McKinsey Digital
Job ID: 105277
Do you want to work on complex and pressing challenges—the kind that bring together curious, ambitious, and determined leaders who strive to become better every day? If this sounds like you, you’ve come to the right place.
Your Impact
You will design and build web platforms that aggregate, present, and transform advanced analytics performed by our data scientists.
You will make custom software tools that will be implemented directly within our client organizations. You will help us design our stack and make it successful. You will also help design our back-end, front-end, and visualization tools and together with a team, you will make them come alive.
This is an opportunity for you to exercise your creativity and technical skills whilst growing into a thought leader in the financial services space and a technology leader at our firm.
Your team’s software must cover customer acquisition and retention, pricing, fraud detection, customer service, and more for forward-thinking financial services; but it must do so with a flair. You will bring the best of user experience and design from the consumer software world to the enterprise.
Your Growth
Driving lasting impact and building long-term capabilities with our clients is not easy work. You are the kind of person who thrives in a high performance/high reward culture - doing hard things, picking yourself up when you stumble, and having the resilience to try another way forward.
In return for your drive, determination, and curiosity, we'll provide the resources, mentorship, and opportunities you need to become a stronger leader faster than you ever thought possible. Your colleagues—at all levels—will invest deeply in your development, just as much as they invest in delivering exceptional results for clients. Every day, you'll receive apprenticeship, coaching, and exposure that will accelerate your growth in ways you won’t find anywhere else.
When you join us, you will have:
- Continuous learning: Our learning and apprenticeship culture, backed by structured programs, is all about helping you grow while creating an environment where feedback is clear, actionable, and focused on your development. The real magic happens when you take the input from others to heart and embrace the fast-paced learning experience, owning your journey.
- A voice that matters: From day one, we value your ideas and contributions. You’ll make a tangible impact by offering innovative ideas and practical solutions, all while upholding our unwavering commitment to ethics and integrity. We not only encourage diverse perspectives, but they are critical in driving us toward the best possible outcomes.
- Global community: With colleagues across 65+ countries and over 100 different nationalities, our firm’s diversity fuels creativity and helps us come up with the best solutions for our clients. Plus, you’ll have the opportunity to learn from exceptional colleagues with diverse backgrounds and experiences.
- World-class benefits: On top of a competitive salary (based on your location, experience, and skills), we provide a comprehensive benefits package to enable holistic well-being for you and your family.
Your qualifications and skills
- Bachelor’s degree in Computer Science, Design, Information Systems, Electrical Engineering or related discipline; Master's degree is a plus
- Expert understanding of JavaScript and one or more established front-end JavaScript frameworks such as React or Angular
- Strong knowledge of best practices for design and experience with data-driven UX research and clean UI development
- Exposure to responsive and/or native mobile development
- Experience with data visualization (e.g. d3) or a willingness to learn
- Experience with web testing, analytics, and KPI optimization
- Proven record of shipping cutting-edge, intuitive, responsive web applications
- Proven record of leadership in a work setting and/or through personal project portfolio
- Active GitHub and/or personal web portfolio
- Fluent in English and Japanese
Please review the additional requirements regarding essential job functions of McKinsey colleagues.
Our unwavering commitment to integrity drives everything we do, guiding us to always act in the best interests of our clients, our people, and the communities we serve.
FOR U.S. APPLICANTS: McKinsey & Company is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by applicable law.
FOR NON-U.S. APPLICANTS: McKinsey & Company is an Equal Opportunity employer. For additional details regarding our global EEO policy and diversity initiatives, please visit our McKinsey Careers and Diversity & Inclusion sites.
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